[petsc-users] Memory problem

Matthew Knepley knepley at gmail.com
Thu Oct 6 15:26:18 CDT 2011


On Thu, Oct 6, 2011 at 3:23 PM, Rongliang Chen <rongliang.chan at gmail.com>wrote:

>
>
>> Yes, there was no overflow for individual matrices, so this output is
>> correct. The -log_summary output is for all
>> matrices, and that is the problem.
>>
>>
>> You might have created them, but we are counting all matrices, for
>> instance
>> those created for
>> subdomain preconditioning.
>>
>>   Matt
>>
>>
>>
> Hi Matt,
>
> Do you mean that this is just a bug in the -log_summary output and it will
> not influence the performance? But it does influence the performance in my
> test cases. Can you tell me how to debug this? Thank you.
>

Yes, it has no influence on performance. If you think it does, send
-log_summary output to petsc-maint at mcs.anl.gov

   Matt


> Best,
> Rongliang
>



-- 
What most experimenters take for granted before they begin their experiments
is infinitely more interesting than any results to which their experiments
lead.
-- Norbert Wiener
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